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Won't Fix
Votes
1
Found in [Package]
4.2.0
5.0.0-pre.1
Issue ID
FBX-437
Regression
No
FBX Exporter throws a KeyNotFoundException when exporting a high-polygon mesh
Reproduction steps:
# Open the attached “TempFBXExportRepro” project
# Open the “SampleScene” scene
# In the Hierarchy right-click on “DoesNotExport” GameObject
# In the context menu select “Export To FBX…”
Expected result: No errors in the Console
Actual result: Export is unsuccessful, error in the Console
Reproducible with: 4.2.0, 5.0.0-pre.1 (2020.3.42f1, 2021.3.15f1, 2022.1.24f1, 2022.2.1f1, 2023.1.0a22)
Reproduced on: Windows 10
Part of the error:
KeyNotFoundException: The given key '(NaN, NaN, NaN)' was not present in the dictionary.
System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) (at <d6232873609549b8a045fa15811a5bd3>:0)
UnityEditor.Formats.Fbx.Exporter.ModelExporter.ExportMesh (UnityEditor.Formats.Fbx.Exporter.ModelExporter+MeshInfo meshInfo, Autodesk.Fbx.FbxNode fbxNode) (at Library/PackageCache/com.unity.formats.fbx@4.1.2/Editor/FbxExporter.cs:892)
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Resolution Note:
Closing this bug as first it is very old and unlikely to still be a problem.
Also, looking at the code, this looks like a faulty input mesh asset that contains NaN values.